This will need to be documented in Relnotes of 7.2 before JDK 7u6 ships, as the fix will not get into 7u6.
Ken, we need to mention that there is an issue with not displayed keyboard shortcut in main menu on Mac when running with Java 7 update 6 and the workaround for the users is to open Shortcuts PDF from the Help menu and see there what shortcuts NetBeans has.